"""SCons.Tool.hplink

Tool-specific initialization for the HP linker.

There normally shouldn't be any need to import this module directly.
It will usually be imported through the generic SCons.Tool.Tool()
selection method.
"""

#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#

import os.path

import SCons.Util

from . import link

ccLinker = None

# search for the acc compiler and linker front end

try:
    dirs = os.listdir('/opt')
except OSError:
    # Not being able to read the directory because it doesn't exist
    # (IOError) or isn't readable (OSError) is okay.
    dirs = []

for dir in dirs:
    linker = '/opt/' + dir + '/bin/aCC'
    if os.path.exists(linker):
        ccLinker = linker
        break

def generate(env) -> None:
    """
    Add Builders and construction variables for Visual Age linker to
    an Environment.
    """
    link.generate(env)
    
    env['LINKFLAGS']   = SCons.Util.CLVar('-Wl,+s -Wl,+vnocompatwarnings')
    env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -b')
    env['SHLIBSUFFIX'] = '.sl'

def exists(env):
    return ccLinker

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